Description

The diameter of the drum has a direct impact on the
service life of wire rope

Product Details

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The diameter of the drum has a direct impact on the service life of wire rope, because the diameter of the drum is too small, the degree of curvature of wire rope on the drum is very big, in the working process of the crane, wire rope will be repeated by the sharp bend stretching, damaged of the wire rope is quick. So in order to make the service life of wire rope has certain, the hoisting machinery safety regulations require drum diameter and the requirements of the ratio of not less than the diameter of the wire rope.

In addition, when determining the drum diameter, consider the length of the drum, small drum diameter, the length of the drum is big, it is bad for the stress of the drum.

Type of Wire Rope

Min Diameter of Wire Rope

Structure of Wire Rope

Min Diameter of Wire Rope

6/8 strands

6×7

Dia.×42

MicroRotation

18×7

Dia.×34

6×19,6×19S,6×19W

Dia.×30

18×19S,18×19W

Dia.×26

6×26SW,6×21FI

Dia.×28

18×26SW

Dia.×24

6×25FI,6×31SW

Dia.×25

4V×39S,4V×48S

Dia.×26

6×29FI,6×37,6×36SW

Dia.×22

Non-Rotation

24W×7

Dia.×30

6×41SW,6×49SWS

Dia.×19

35W×7

Dia.×30

8×19S,8×19W

Dia.×25

SurfaceContact

6×K19S,6×K26SW

Dia.×30

8×28SW

Dia.×24

6×K31SW,6×K41SW

Dia.×30

8×25FI,8×31SW

Dia.×20

8×K25FI,8×K29FI

Dia.×30

8×36SW

Dia.×18

8×K36SW,8×K41SW

Dia.×30

6V×30,6×34,6×37

Dia.×30

18×K7,35W×K7

Dia.×36

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